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Now my problem is to find out the min and max values of column A and B
before and after each breaks
output ------>
Before first break
A - min =1
A - max=3
Before second break
A - min =9
A-max =12
Before third break
A - min =18
A - max = 29....

I'm really stuck with to find any a way out so any SQL
gives me the above solution.Any help is really appreciated....
Thanks in advance
Indranil